Easy Breakfast Casserole With Prosciutto

This breakfast casserole, or strata, is everything breakfast should be—easy, healthy, and delicious. Layer crusty bread, beaten eggs, tender greens, and prosciutto in an ovenproof skillet, and bake to golden, cheesy perfection.

Side view of a slice of breakfast casserole on a white plate with a spring salad with sliced carrots, radishes, asparagus and mint mixted together. Greens are visible in the slice of strata. Cream linens are under the plate and a fork is partially visible in the lower right corner. The skillet and linens are partially in view in the upper left corner.
Katie Morford

A scrumptious breakfast casserole is a pretty good way to rouse folks from warm beds. This one hits all the right notes for a savory breakfast: cheesy, nourishing, a bit smoky (thanks to the prosciutto), and plainly delicious. It also happens to be darn easy to make.

This particular breakfast casserole is known as a strata. It’s in the same family as a quiche or frittata, with one little difference: You stir torn or cut pieces of bread into the beaten eggs before popping it into the oven to bake.

Best Bread for Breakfast Casseroles

You can use a fresh loaf of practically any crusty bread—Italian, levain, or baguette, for example. Or, make use of any slightly stale bits and bobs you find in your bread basket. The moisture of the eggs works magic on a tired loaf, so nobody will be the wiser.

A spatula holds up a piece of breakfast casserole sliced from the skillet it was cooked inside. The rest of the casserole is visible below the spatula. Greens and prosciutto are visible in the casserole.
Katie Morford

Healthy Ingredients

There is no shortage of good-for-you ingredients in this wholesome recipe.

You’ll find:

  • Several cups of fresh vegetables
  • Protein-rich eggs
  • Milk and cottage cheese, which replace traditionally used cream or half-and-half

This results in a breakfast casserole that’s lighter in calories and saturated fat than many others you’ll find. Adding a few ounces of prosciutto along with sharp cheddar gives the dish a big pop of flavor and just enough decadence to make it feel special. You can bump up the nutrition even further by making it with whole grain rather than standard white bread.

Ways to Adapt This Recipe

What’s particularly appealing about this casserole is that it lends itself to endless variations:

  • Use diced zucchini or tiny broccoli florets in place of the asparagus.
  • Swap in Gruyere or feta instead of cheddar.
  • Use cooked, diced sausage, country ham, or crumbled bacon in place of prosciutto.
A white plate with a side view of healthy breakfast casserole and a chopped spring salad of asparagus, carrots and radishes. Above the plate is the skillet with the breakfast casserole inside. Two slices are missing from the casserole. Cream linens are under the plate and the skillet is on a round tray.
Katie Morford

Make a Vegetarian Breakfast Casserole

The other option here is to make the dish entirely vegetarian. Simply leave out the prosciutto, using one teaspoon of smoked paprika in its place to give the strata that smoky flavor. Alternatively, use a crumbly plant-based sausage in lieu of prosciutto.

Make It a Meal

If you’re serving this for breakfast, a platter of whatever fruit is in season makes a nice side dish. If winging it isn’t your thing, you can try this recipe for Strawberry Nectarine Fruit Salad or this Blueberry Peach Fruit Salad with Thyme. You can also toss together a sheet pan of potatoes and roast them alongside the strata until tender and golden.

If serving this for brunch or lunch, a salad of tender greens with this Basil Dressing makes a perfect pairing. While this is always best served warm from the oven, it is also tasty at room temperature or even cold.

Make Ahead Tips for Breakfast Casserole

It will take you no more than 30 minutes to pull this casserole together and get it into the oven.

Alternatively, you can assemble the dish the night before, but skip the last step of topping it with cheese. Cover with plastic wrap and stash it in the fridge until morning. Pull the casserole out a good half hour before you’re ready to bake; add the cheese on top, and put it in the oven!

Two plates with a slice of breakfast strata on each as well as a spring salad. Sliced radish and chopped asparagus are visible in the salads. A fork is on each plate as well. Supremed sliced oranges are laid on a white plate set in the middle of the two plates with breakfast casserole inside. Cream linens are under the plates and the rest of the casserole is visible in the upper right corner with a plate and linen underneath.
Katie Morford

Storing and Freezing Breakfast Casserole

If you have leftover strata or want to make two casseroles and freeze one, go for it. Bake it, then let it cool completely before wrapping several times with plastic and storing it in the freezer.

It should keep well for up to a month. To reheat, remove the plastic and put it straight from freezer to oven at 350°F until warmed through.

Kick-Start Your Morning With These Breakfast Casseroles

Easy Breakfast Casserole With Prosciutto

Prep Time 25 mins
Cook Time 45 mins
Total Time 70 mins
Servings 6 to 8 servings

You can make and bake this savory strata all in one fell swoop, or assemble and refrigerate it the night before (but leave the cheese off until morning). Pull it out of the fridge 30 minutes before baking; add the cheese, and pop it into the oven.

If you have vegetarians at your table, feel free to skip the prosciutto and add one teaspoon of smoked paprika instead.

The strata holds up well as a leftover, so enjoy it for breakfast the next day, or pack up a slice for your desk lunch.


  • 1 tablespoon extra-virgin olive oil
  • 1 medium yellow onion, chopped
  • 2 big handfuls tender greens, such as arugula, dandelion greens, baby kale, or spinach (tough stems removed)
  • 1 1/2 cups asparagus, cut into 3/4-inch pieces
  • 1 teaspoon kosher salt, divided
  • 3 ounces thinly sliced prosciutto
  • 2 packed cups cubed crusty bread, such as levain, baguette, or Italian bread (slightly stale is ok)
  • 8 large eggs
  • 1 cup low fat cottage cheese
  • 1 cup 2% milk (or whatever kind you have in the fridge)
  • Freshly ground black pepper
  • 1 1/2 cups (3 oz) grated cheddar, divided


  1. Preheat the oven to 350°F
  2. Sauté the vegetables:

    Add oil to a 12-inch ovenproof skillet set over medium heat. I use cast iron, but any ovenproof skillet will do.

    Add the onion and sauté until tender, about 5 minutes. Add the greens, asparagus, and 1/2 teaspoon salt and sauté until the greens wilt, about 2 minutes. Remove from heat.

    A high sided skillet has diced onions and chopped asparagus sauteing inside. A large amount of tender arugula is in the pot and ready to be incorporated.
    Katie Morford
    A high sided skillet has chopped asparagus, diced onion and tender greens being sauteed inside. A wooden spatula rests on the right side of the pan.
    Katie Morford
  3. Add the prosciutto and bread:

    Tear the prosciutto slices into smaller pieces and distribute over the vegetables. Add the bread and stir everything together. Leave that to cool while you whisk the eggs.

    A high sided skillet has chopped asparagus, prosciutto and tender greens sauteing inside to make a healthy breakfast casserole.
    Katie Morford
    A high-sided skillet has chopped bread, prosciutto, herbs and asparagus mixed inside for a breakfast strata.
    Katie Morford
  4. Whisk the eggs:

    In a large bowl, whisk together the eggs, cottage cheese, milk, the remaining 3/4 teaspoon salt, and several generous grinds of black pepper. Add 1/2 cup of the cheese and stir again. Pour the eggs over the vegetables and scatter the remaining cheese on top.

    A glass bowl has an egg mixture for a breakfast casserole inside. A white striped linen is to the right and a loaf of bread is in the upper left hand corner.
    Katie Morford
    A high sided skillet is on the stove and has a healthy breakfast casserole cooking inside. Chopped prosciutto and shredded mozzarella are on top of the casserole.
    Katie Morford
  5. Bake the casserole:

    Place the casserole in the oven and bake until it is just set with no obvious liquid remaining, about 35 minutes. It should be a little jiggly. Keep in mind that it will continue to cook a bit once it’s out of the oven.

  6. Serve:

    Cool for 10 minutes. Cut into wedges and serve.